THK America, Inc. Datasheets for Slewing Rings and Turntable Bearings

Slewing rings and turntable bearings can accommodate axial, radial and moment loads. They are not mounted in a housing or on a shaft, but are instead mounted directly to a seating surface via mounting holes.
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Product Name Notes
Cross-Roller Ring, Thin Type -- RA A compact type similar to model RB with the thinner inner and outer rings. Optimal for locations requiring a light-weight and compact design.
Cross-Roller Ring, Standard -- RB Cross-Roller Ring basic type, with a separable outer ring, and an inner ring integrated with the main body. It is used in locations where the rotational accuracy of the inner...
Cross Roller Ring -- RAU Model RAU is more compact and lighter weight. Because of the integrated structure, the RAU can be used for either inner ring or outer ring rotation.
Cross Roller Ring -- RU The integrated design of the unit’s inner and outer rings, with mounting holes on both rings, eliminates the need for a special flange or housing and enables easy installation. Mounting...
Cross-Roller Ring, Thin Type -- RA-C The main dimensions are the same as that of model RA. Owing to its Single-split Outer Ring structure with a highly rigid outer ring, this model can be used for...